Take a Screenshot with Android 4.0 (Ice Cream Sandwich)If you’re using Android 4.0 or later, this is easy. Just press and hold the Volume Down and Power buttons at the same time. You’ll see an animation on the screen, indicating that the screen photo was saved. Android will save the image to your Gallery. Launch the Gallery app and tap Screenshots to view and share your screenshot.

So Easy !Other Ways:

> Android SDK: You can take a screenshot on any Android device using Google’s Android SDK.

> AShot aka Android Screen Capture: AShot is a free,

> Manufacturer Shortcuts: Some manufacturers build special screenshot shortcuts into their pre-Android 4.0 devices. For example, on many Samsung Android devices, including the Galaxy Note and Galaxy S II (pre-Ice Cream Sandwich versions), you can press the Home and Power buttons at the same time to take a screen snapshot – in practice, you’ll press and hold the Home button, then quickly press the Power button. On the Galaxy S, press and hold the Back button and the Power button, or try pressing the Back button and double-tapping the Home button.